20016233306601 has 16 divisors (see below), whose sum is σ = 30508855563264. Its totient is φ = 11434874371344.

The previous prime is 20016233306593. The next prime is 20016233306611. The reversal of 20016233306601 is 10660333261002.

It is not a de Polignac number, because 20016233306601 - 2³ = 20016233306593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20016233306611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123801975 + ... + 123963548.

It is an arithmetic number, because the mean of its divisors is an integer number (1906803472704).

Almost surely, 2^{20016233306601} is an apocalyptic number.

20016233306601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20016233306601 is a deficient number, since it is larger than the sum of its proper divisors (10492622256663).

20016233306601 is a wasteful number, since it uses less digits than its factorization.

20016233306601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247769380.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 20016233306601 its reverse (10660333261002), we get a palindrome (30676566567603).

The spelling of 20016233306601 in words is "twenty trillion, sixteen billion, two hundred thirty-three million, three hundred six thousand, six hundred one".